* adjust rights for fileManager function.
Merge branch 'master' of https://xirang.5upm.net/git/chanzhieps
 * Add default peoduct block to home page.
 * show owners when view thread.
 * Add check latest version logics.
Merge branch 'master' of https://xirang.5upm.net/git/chanzhieps
 * Add check upgrade backend.
Merge branch 'master' of https://xirang.5upm.net/git/chanzhieps
 * adjust create function.
 * Using block to display the header of website.
 * adjust the translation.
 * adjust original field of article table.
 * Add translation.
 * adjust code.